1
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Chen D, Yang C, Li M, Zhao G, Wang W, Wang X, Quan Z. Recent Progress on Arylation with Aryne through Three-Component Reaction. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202206006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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2
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Zhao ZW, Ran YS, Hou YJ, Chen X, Ding XL, Zhang C, Li YM. Free Radical Cascade Carbochloromethylations of Activated Alkenes. J Org Chem 2022; 87:4183-4194. [PMID: 35234480 DOI: 10.1021/acs.joc.1c03024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Free radical carbochloromethylations of ortho-cyanoarylacrylamides and N-(arylsulfonyl)acrylamides have been developed by employing simple alkyl chlorides as the chloromethyl source. The transformations are characterized by wide functional group compatibility and utilizing readily available reagents, thus providing efficient methods for constructing polychloromethyl-substituted quinoline-2,4-diones and α-aryl-β-polychloromethylated amides.
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Affiliation(s)
- Zhi-Wei Zhao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Yu-Song Ran
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Yu-Jian Hou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Xin Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Xue-Ling Ding
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Cui Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
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3
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Wenpeng W, Chunhong Y, Haichao L, Xicun W, Zhengjun Q. Addition of Benzyne to 2-Hydroxypyrimidine to Synthesize 2-Aryloxypyrimidine Derivatives under Mild Conditions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202206011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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4
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Affiliation(s)
- Jiarong Shi
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Lianggui Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
| | - Yang Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, P. R. China, 400030
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5
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Neal EA, Werling AYR, Jones CR. A simple Hückel model-driven strategy to overcome electronic barriers to retro-Brook silylation relevant to aryne and bisaryne precursor synthesis. Chem Commun (Camb) 2021; 57:1663-1666. [PMID: 33463642 DOI: 10.1039/d0cc08283j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ortho-Silylaryl triflate precursors (oSATs) have been responsible for many recent advances in aryne chemistry and are most commonly accessed from the corresponding 2-bromophenol. A retro-Brook O- to C-silyl transfer is a key step in this synthesis but not all aromatic species are amenable to the transformation, with no functionalized bisbenzyne oSATs reported. Simple Hückel models are presented which show that the calculated aromaticity at the brominated position is an accurate predictor of successful retro-Brook reaction, validated synthetically by a new success and a predicted failure. From this, the synthesis of a novel difunctionalized bisaryne precursor has been tested, requiring different approaches to install the two C-silyl groups. The first successful use of a disubstituted o-silylaryl sulfonate bisbenzyne precursor in Diels-Alder reactions is then shown.
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Affiliation(s)
- Edward A Neal
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, UK.
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6
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Hwu JR, Panja A, Gupta NK, Huang W, Hu Y, Lin C, Hwang K, Chan W, Tsay S. Asymmetric Synthesis of 3‐Pyrrolines through an Aryne‐Induced Domino Process. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jih Ru Hwu
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Avijit Panja
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Nitesh K. Gupta
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Wen‐Chieh Huang
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Yu‐Chen Hu
- Department of Chemical Engineering National Tsing Hua University Hsinchu 30013 Taiwan
| | - Chun‐Cheng Lin
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Kuo‐Chu Hwang
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Wei‐Jen Chan
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
| | - Shwu‐Chen Tsay
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Hsinchu 30013 Taiwan
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7
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Huang J, Liang YY, Ouyang XH, Xiao YT, Qin JH, Song RJ, Li JH. Three-component photoredox 1,2-alkylamination of styrenes with alkanes and nitrogen nucleophiles via C(sp 3)–H bond cleavage. Org Chem Front 2021. [DOI: 10.1039/d1qo01263k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A three-component photoredox 1,2-alkylamination of styrenes involving functionalization of C(sp3)–H bonds in alkyl halides instead of functionalization of C-halogen bonds is disclosed.
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Affiliation(s)
- Jing Huang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Yun-Yan Liang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Xuan-Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Yu-Ting Xiao
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Jing-Hao Qin
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Ren-Jie Song
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 475004, China
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8
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Lim T, Kim BM. Synthesis of α-Aminophosphonates via Phosphonylation of an Aryne-Imine Adduct. J Org Chem 2020; 85:13246-13255. [PMID: 32924484 DOI: 10.1021/acs.joc.0c01410] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Multicomponent phosphonylation is accomplished upon the reaction of an imine with an aryne generated in situ in the presence of a dialkyl phosphite. This transition-metal-free protocol shows a broad substrate scope, providing a variety of α-aminophosphonates in moderate to good yields. A plausible mechanism for the reaction is proposed based on a deuterium exchange experiment.
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Affiliation(s)
- Taehyun Lim
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Byeong Moon Kim
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
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9
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Liang Y, Lv G, Ouyang X, Song R, Li J. Recent Developments in the Polychloroalkylation by Use of Simple Alkyl Chlorides. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000824] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yun‐Yan Liang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University Nanchang 330063 People's Republic of China
| | - Gui‐Fen Lv
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University Nanchang 330063 People's Republic of China
| | - Xuan‐Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University Nanchang 330063 People's Republic of China
| | - Ren‐Jie Song
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University Nanchang 330063 People's Republic of China
| | - Jin‐Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle Nanchang Hangkong University Nanchang 330063 People's Republic of China
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
- State Key Laboratory of Chemo/Biosensing and Chemometrics Hunan University Changsha 410082 People's Republic of China
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10
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Okuma K, Qu Y, Fujiie N, Nagahora N. Old and New Aryne Precursor, Anthranilic Acid: Multicomponent Reaction of Benzyne with Quinolines or Imines and Pronucleophiles. CHEM LETT 2020. [DOI: 10.1246/cl.190944] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Kentaro Okuma
- Department of Chemistry, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Yuxuan Qu
- Department of Chemistry, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Nonoka Fujiie
- Department of Chemistry, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
| | - Noriyoshi Nagahora
- Department of Chemistry, Fukuoka University, Jonan-ku, Fukuoka 814-0180, Japan
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11
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Arora S, Sneddon DS, Hoye TR. Reactions of HDDA Benzynes with C,N-Diarylimines (ArCH=NAr'). European J Org Chem 2020; 2020:2379-2383. [PMID: 33776554 DOI: 10.1002/ejoc.201901855] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
o-Benzynes can be utilized to construct heterocyclic motifs using various nucleophilic and cycloaddition trapping reactions. Acridines have been synthesized by capture of C,N-diarylimines with benzynes generated by classical methods (i.e., from ortho-elimination of precursor arene compounds), although in poor yields. We report here that these imines can be trapped by benzynes generated by the hexadehydro-Diels-Alder (HDDA) reaction in an efficient manner to produce 1,4-dihydroacridine products. These dihydroacridines were subsequently aromatized using MnO2 to provide structurally complex acridines.
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Affiliation(s)
- Sahil Arora
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, MN 55455 USA
| | - Dorian S Sneddon
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, MN 55455 USA
| | - Thomas R Hoye
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, MN 55455 USA
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12
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Li Z, Zhang L, Nishiura M, Luo G, Luo Y, Hou Z. CO2 Activation by Lewis Pairs Generated Under Copper Catalysis Enables Difunctionalization of Imines. J Am Chem Soc 2020; 142:1966-1974. [DOI: 10.1021/jacs.9b11423] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhenghua Li
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
| | - Liang Zhang
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
- Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan
| | - Masayoshi Nishiura
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
- Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan
| | - Gen Luo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yi Luo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Zhaomin Hou
- Advanced Catalysis Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
- Organometallic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan
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13
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Okuma K, Maehata Y, Kinoshita H, Sosogi K, Nagahora N. Four‐Component Reaction of Arynes with Primary Amines, Aldehydes, and Proton Source: Novel Formation of
tert
‐Anilines and 3,1‐Benzoxazines. ChemistrySelect 2019. [DOI: 10.1002/slct.201900775] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kentaro Okuma
- Department of Chemistry, Faculty of ScienceFukuoka University, Jonan-ku Fukuoka 814–0180 Japan
| | - Yusuke Maehata
- Department of Chemistry, Faculty of ScienceFukuoka University, Jonan-ku Fukuoka 814–0180 Japan
| | - Hiroaki Kinoshita
- Department of Chemistry, Faculty of ScienceFukuoka University, Jonan-ku Fukuoka 814–0180 Japan
| | - Kana Sosogi
- Department of Chemistry, Faculty of ScienceFukuoka University, Jonan-ku Fukuoka 814–0180 Japan
| | - Noriyoshi Nagahora
- Department of Chemistry, Faculty of ScienceFukuoka University, Jonan-ku Fukuoka 814–0180 Japan
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14
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Cheng X. Coupling and decarboxylation mechanism of oxaloacetic acid and ethylenediamine: A theoretical investigation. J PHYS ORG CHEM 2019. [DOI: 10.1002/poc.3955] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xueli Cheng
- School of Chemistry and Chemical EngineeringTaishan University Tai'an Shandong China
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15
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Huang X, Zhao W, Chen DL, Zhan Y, Zeng T, Jin H, Peng B. Benzyne-mediated trichloromethylation of chiral oxazolines. Chem Commun (Camb) 2019; 55:2070-2073. [DOI: 10.1039/c9cc00557a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A three-component reaction between benzyne, oxazolines and chloroform was developed for the synthesis of trichloromethylated chiral oxazolidines.
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Affiliation(s)
- Xin Huang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Weizhao Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - De-Li Chen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Yaling Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Tingting Zeng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Huiquan Jin
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Bo Peng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- Zhejiang Normal University
- Jinhua 321004
- China
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16
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Kwon J, Kim BM. Synthesis of Arenesulfonyl Fluorides via Sulfuryl Fluoride Incorporation from Arynes. Org Lett 2018; 21:428-433. [PMID: 30592614 DOI: 10.1021/acs.orglett.8b03610] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Transition-metal-free multicomponent reactions involving aryne precursors, secondary amines, and sulfuryl fluoride are reported herein. Zwitterionic intermediates formed from the reaction of arynes with amine nucleophiles can capture SO2F2 under mild conditions, offering a novel and practical protocol for the synthesis of 2-dialkyl-, 2-alkylaryl-, or 2-diarylamino-substituted arenesulfonyl fluoride derivatives in good to excellent yields.
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Affiliation(s)
- Jungmin Kwon
- Department of Chemistry, College of Natural Sciences , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Republic of Korea
| | - B Moon Kim
- Department of Chemistry, College of Natural Sciences , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Republic of Korea
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17
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Li SJ, Wang Y, Xu JK, Xie D, Tian SK, Yu ZX. Formal Insertion of Imines (or Nitrogen Heteroarenes) and Arynes into the C–Cl Bond of Carbon Tetrachloride. Org Lett 2018; 20:4545-4548. [DOI: 10.1021/acs.orglett.8b01845] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sheng-Jun Li
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yi Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Jing-Kun Xu
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Dong Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shi-Kai Tian
- Hefei National Laboratory for Physical Sciences at the Microscale, Center for Excellence in Molecular Synthesis, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhi-Xiang Yu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
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18
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Jian H, Wang Q, Wang WH, Li ZJ, Gu CZ, Dai B, He L. Divergent synthesis of functionalized thioethers via multicomponent reaction of benzynes. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.04.072] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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19
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Wang Y, Yu ZX. Intra- versus Intermolecular Carbon-to-Carbon Proton Transfers in the Reactions of Arynes with Nitrogen Nucleophiles: A DFT Study. J Org Chem 2018; 83:5384-5391. [PMID: 29652140 DOI: 10.1021/acs.joc.7b03109] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Carbon-to-carbon proton transfer (PT) is an elementary reaction in organic chemistry. Herein we report a systematic DFT study on the carbon-to-carbon proton transfers in the reactions of arynes with nitrogen nucleophiles, including tertiary amines, aziridines, imines, and N-heteroarenes. DFT calculations indicated that the Gibbs energies of activation for the 1,4- and 1,5-proton transfers involved are lower than 20 kcal/mol in most cases. We also found that the Bell-Evans-Polanyi principle applies to the 1,4-proton transfers, indicating that the more exergonic an intramolecular proton transfer is (the more stable a carbanion is generated), the faster it will be. Previous experimental studies have shown that, in the presence of a carbon nucleophile (NuH; e.g., CHCl3 and MeCN) as the third component (also as the solvent), intermolecular proton abstractions may compete with the intramolecular proton transfers and lead to different products. Our theoretical rationalization of these competitions is that the introduction of an electron-withdrawing group at the acidic site can accelerate the intramolecular proton transfer dramatically (owing to the generation of a more stable carbanion), making it compete with the intermolecular processes. In addition, we have also discussed the competition between intra- and intermolecular proton transfers when NuH is used as the reactant rather than the solvent.
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Affiliation(s)
- Yi Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry , Peking University , Beijing 100871 , China
| | - Zhi-Xiang Yu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry , Peking University , Beijing 100871 , China
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20
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Pan X, Liu Z. Synthesis of 3-aryl-3-benzazepines via aryne [1,2] Stevens rearrangement of 1,2,3,4-tetrahydroisoquinolines. Org Chem Front 2018. [DOI: 10.1039/c8qo00275d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient method for the synthesis of 3-aryl-3-benzazepines via aryne induced [1,2] Stevens rearrangement of 1,2,3,4-tetrahydroisoquinolines is described.
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Affiliation(s)
- Xuan Pan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines
- Institute of Materia Medica
- Peking Union Medical College and Chinese Academy of Medical Sciences
- Beijing 100050
- P. R. China
| | - Zhanzhu Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines
- Institute of Materia Medica
- Peking Union Medical College and Chinese Academy of Medical Sciences
- Beijing 100050
- P. R. China
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21
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Jia H, Guo Z, Liu H, Mao B, Shi X, Guo H. Tandem nucleophilic addition–cycloaddition of arynes with α-iminoesters: two concurrent pathways to imidazolidines. Chem Commun (Camb) 2018; 54:7050-7053. [DOI: 10.1039/c8cc03806f] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The tandem nucleophilic addition-cycloaddition reaction of arynes with α-iminoesters gave functionalized imidazolidine derivatives with high yields, complete regioselectivities, and excellent diastereo- and enantioselectivities.
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Affiliation(s)
- Hao Jia
- College of Science
- China Agricultural University
- Beijing 100193
- China
| | - Zhenyan Guo
- College of Science
- China Agricultural University
- Beijing 100193
- China
| | - Honglei Liu
- College of Science
- China Agricultural University
- Beijing 100193
- China
| | - Biming Mao
- College of Science
- China Agricultural University
- Beijing 100193
- China
| | - Xueyan Shi
- College of Plant Protection
- China Agricultural University
- Beijing 100193
- China
| | - Hongchao Guo
- College of Science
- China Agricultural University
- Beijing 100193
- China
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22
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Zheng T, Tan J, Fan R, Su S, Liu B, Tan C, Xu K. Diverse ring opening of thietanes and other cyclic sulfides: an electrophilic aryne activation approach. Chem Commun (Camb) 2018; 54:1303-1306. [DOI: 10.1039/c7cc08553b] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An electrophilic aryne-activated ring opening reaction of saturated sulfur heterocycles is achieved with a wide range of nucleophiles.
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Affiliation(s)
- Tianyu Zheng
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jiajing Tan
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Rong Fan
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Shuaisong Su
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Binbin Liu
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Chen Tan
- Department of Organic Chemistry
- Faculty of Science
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Kun Xu
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- P. R. China
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23
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Tan J, Liu B, Su S. Aryne triggered dearomatization reaction of isoquinolines and quinolines with chloroform. Org Chem Front 2018. [DOI: 10.1039/c8qo00838h] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The direct dearomatization reaction of isoquinolines and quinolines with chloroform has been accomplished through in situ electrophilic aryne activation and nucleophile formation.
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Affiliation(s)
- Jiajing Tan
- Department of Organic Chemistry
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Binbin Liu
- Department of Organic Chemistry
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
| | - Shuaisong Su
- Department of Organic Chemistry
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- P. R. China
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24
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Aher RD, Suryavanshi GM, Sudalai A. Diastereoselective Synthesis of Chiral 2,3-Disubstituted Indolines via Formal [3+2]-Cycloaddition of Arynes with γ-Amino-α,β-unsaturated Esters. J Org Chem 2017; 82:5940-5946. [DOI: 10.1021/acs.joc.7b00439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ravindra D. Aher
- Chemical Engineering & Process Development Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra 411008, India
| | - Gurunath M. Suryavanshi
- Chemical Engineering & Process Development Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra 411008, India
| | - Arumugam Sudalai
- Chemical Engineering & Process Development Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra 411008, India
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25
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Idiris FIM, Jones CR. Recent advances in fluoride-free aryne generation from arene precursors. Org Biomol Chem 2017; 15:9044-9056. [DOI: 10.1039/c7ob01947e] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Aryne chemistry has flourished in the past few decades. This review highlights new aryne precursors that operate under fluoride-free conditions as alternative methodologies to the popular fluoride-mediated ortho-silylaryl triflates.
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Affiliation(s)
- Fahima I. M. Idiris
- School of Biological and Chemical Sciences
- Queen Mary University of London
- London
- UK
| | - Christopher R. Jones
- School of Biological and Chemical Sciences
- Queen Mary University of London
- London
- UK
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